Epson WorkForce Pro WF-C8690 A3 Color MFP with PCL/PostScript - Manual (Page 57)

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6 Line port
7 EXT. port
8 LAN port
9 USB port
Note: If you are using a USB connection, make sure you insert the cable in the correct orientation.
Parent topic: Product Parts Locations
Using Power Saving Settings
Your product enters sleep mode automatically and turns off the LCD screen if it is not used for a period
of time. You can make the time period shorter and select other options to save energy and resources.
Changing the Sleep Timer Settings
Changing the Power Off Timer Settings
Parent topic: Product Basics
Changing the Sleep Timer Settings
You can adjust the time period before your product enters sleep mode and turns off the LCD screen.
Note: This setting can be locked by an administrator. If you cannot access or change this setting,
contact your administrator for assistance.